Senior OT Security Architect — Industrial Control Systems

Donaldson; Bloomington (IN); Hybrid; USD 112,000 - 140,000; Full time

Job summary

Donaldson is seeking a Principal OT Security Engineer to define enterprise OT cybersecurity strategy and lead large-scale initiatives across global manufacturing, distribution, and lab operations. This role supports a hybrid schedule at our Bloomington, MN office.

The ideal candidate has 8+ years of cybersecurity experience, with deep OT/ICS expertise and a track record of aligning security with uptime and resilience. Travel up to 20% is expected.

Qualifications

• Bachelor’s degree with 8+ years cybersecurity experience or 12+ years with HS diploma
• Significant OT/ICS experience
• Deep expertise in industrial cybersecurity architecture and risk management

Responsibilities

• Define and drive enterprise OT security architecture and standards
• Lead large-scale OT security initiatives (segmentation, monitoring, secure remote access)
• Establish OT cybersecurity policies aligned with IEC 62443, NIST, and regulatory requirements
• Partner with manufacturing, distribution, engineering, and leadership to align security with uptime and resilience goals
• Lead remediation of high-impact security risks and vulnerabilities
• Represent OT security in audits and executive discussions
• Influence long-term strategy, roadmap planning, and maturity improvements

Skills

OT Security

Industrial Cybersecurity

Risk Management

Executive Communication

IEC 62443/NIST/ISO 27001

Education

Bachelor’s degree

HS diploma/GED

Tools

Nozomi

Claroty

Dragos

Job description

Donaldson is seeking a Principal OT Security Engineer to define enterprise OT cybersecurity strategy and lead large-scale initiatives across global manufacturing, distribution, and lab operations. This role supports a hybrid schedule at our Bloomington, MN office.

The ideal candidate has 8+ years of cybersecurity experience, with deep OT/ICS expertise and a track record of aligning security with uptime and resilience. Travel up to 20% is expected.